Teo Sze Siong

Lead Security Engineer, Scout24 Group

Who Is Teo?

Teo started to program when he was 12 and he has been working professionally in the IT industry for 14 years. He began as a Software Engineer writing ePassport smartcard applications, casino video surveillance systems, and SCADA for telcos. Later, he moved on to a Finnish cybersecurity company where his work focuses on web security research and building web crawling system and client honeypots. He spent a couple of years as a Software Architect in some of the highest trafficked web portals in Asia such as JobStreet and iProperty.

The fun doesn’t stop there, he also got into DevOps world for more than 3 years managing more than 500 servers and mitigating DDoS attacks with BGP networks in a CDN company and an online trading portal. He has migrated to Europe about 2 years ago and has been working in the area of cloud security and developing security toolchain within Scout24 AG since then.